BUY 1N4746A 1N4746 1W 18V DO-41 https://www.utsource.net/itm/p/11724670.html

1N4746A is a 1W 18V Zener Diode with a DO-41 (ST) package. It is designed for use in general purpose applications such as voltage regulation, voltage reference, and overvoltage protection. Features: Low leakage current Low reverse current High reliability Low temperature coefficient High temperature stability High power dissipation Applications: Voltage regulation Voltage reference Overvoltage protection Voltage clamping Surge protection Clamping circuits (For reference only)